Authors:

Mr. Herschel... brought with him the calculations of the computers, and we commenced the tedious process of verification. After a time many discrepancies occurred, and at one point these discordances were so numerous that I exclaimed, "I wish to God these calculations had been executed by steam," to which Herschel replied, "It is quite possible."

Charles Babbage's remarks in November 1839, recalling events in 1821; as quoted in Harry Wilmot Buxton and Anthony Hyman "Memoir of the Life and Labours of the Late Charles Babbage", 1988.
Mr. Herschel... brought with him the calculations of the computers, and we commenced the tedious process of verification. After a time many discrepancies occurred, and at one point these discordances were so numerous